19738888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{189797}}^1$

素因数の和:189816

約数の個数: 16

約数和(自身を含む): 39857580

約数和(自身を除く): 20118692

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 189797, 379594, 759188, 1518376, 2467361, 4934722, 9869444, 19738888]

約数ペア:

[(1, 19738888), (2, 9869444), (4, 4934722), (8, 2467361), (13, 1518376), (26, 759188), (52, 379594), (104, 189797)]